"A new study by investigators from Harvard and Mass General Brigham examined 13,547 older women, comparing their step counts over a one-week period against their mortality and cardiovascular disease rates over the next decade. The researchers found that achieving just 4,000 steps one or two days per week was associated with lower risk of mortality and cardiovascular disease - and with more steps came even greater benefits, up to a point when risk reductions leveled."
""In countries like the United States, advances in technology have made it such that we don't really move very much, and older individuals are among those least active," said senior author I-Min Lee, an epidemiologist at Mass General and at the Harvard Chan School. "Because of today's low step counts, it's increasingly important to determine the minimum amount of physical activity required to improve health outcomes, so that we can offer realistic and feasible goals for the public.""
13,574 older women (mean age 71.8) without cardiovascular disease or cancer wore ActiGraph GT3X+ accelerometers for seven days between 2011 and 2015 to record steps. Step counts were compared with mortality and cardiovascular disease incidence over the following 10 years. Participants were classified by how many days per week they reached thresholds of 4,000, 5,000, 6,000, or 7,000 steps. Achieving 4,000 steps on one or two days per week was associated with lower all-cause mortality and lower cardiovascular disease risk. Higher total step volumes produced greater benefits up to a point where additional steps produced little further risk reduction.
Read at Harvard Gazette
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